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Strainer

Y-Type Strainer

Specification

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Details

HD Flowtech forged steel Y-type strainers are designed for inline filtration service in high-pressure pipeline and process systems, protecting downstream equipment — control valves, pumps, meters, and instrumentation — from particulate contamination and pipeline debris. The A105 carbon steel forged body provides superior structural integrity at PN63 operating pressures, with blue epoxy coating applied for corrosion protection in industrial process service. The Y-pattern body design orients the filter screen at an angle to the flow path, minimizing pressure drop across the strainer while maintaining full filtration efficiency — a key advantage over basket-type strainers in high-pressure, continuous-flow service. The stainless steel screen element is removable through the top access cover without removing the strainer from the pipeline, allowing periodic cleaning and screen replacement with minimal system downtime. Flanged end connections to ASME B16.5 ensure direct integration into standard high-pressure pipeline flange systems, with the flow direction arrow cast into the body to ensure correct installation orientation.

Strainer Technical Overview

How to Choose the Right Strainer for Industrial Applications

Y-type strainers are selected for inline filtration service in pipeline and process systems where downstream equipment must be protected from particulate contamination, weld slag, scale, and pipeline debris. Selection criteria include pressure class, body material compatibility with the process fluid, screen mesh size relative to the particle size requiring removal, and pressure drop across the screen element under full flow conditions.

Forged steel Y-type strainers are specified for high-pressure service at PN63 and above, where cast body construction is not suitable due to pressure class or material homogeneity requirements. The Y-pattern design is preferred over T-pattern basket strainers in continuous high-flow service where pressure drop must be minimized — the angled screen orientation provides a larger filtration area relative to the pipe bore, reducing flow velocity across the screen and extending cleaning intervals. Basket strainers are selected where higher dirt-holding capacity is required, typically in low-to-medium pressure service with high particulate loads.

Screen mesh selection is determined by the particle size requiring removal and the pressure drop budget available — 40 mesh (400 micron) for coarse pipeline debris, 60 mesh (250 micron) for general process protection, and 100 mesh (150 micron) for fine filtration upstream of control valves and instrumentation. Body material selection follows standard process piping criteria — carbon steel (A105) for general service, alloy steel (F11, F22) for high-temperature steam and process applications, and stainless steel (F304, F316) for corrosive media and clean process service.

High Pressure — PN63+ / Class 600+
For oil & gas, steam systems, and power generation. Forged body (A105 / alloy steel) with reinforced stainless steel screen, designed for high temperature, high pressure, and critical service conditions.